Multitip hot runner system

Details Multitip hot runner system Multitip hot runner system

1994-05-25

1995-11-07

Heitbrink, Tim

Plastic article or earthenware shaping or treating: apparatus

Female mold and charger to supply fluent stock under...

With means to heat or cool

425570, 425572, B29C 4522

Patent

active

054643430

ABSTRACT:
A multitip hot runner system for providing enhanced flexibility in the design, manufacture, and operation of multicavity molds. The system, which is self-contained, comprises a nozzle or manifold interface, externally heated flow passages, and interchangeable or replaceable tips. A fully hardened body permits a number of different multitip configurations all of which maintain uniform heating throughout the distribution architecture with the use of only a single thermocouple for temperature control.

REFERENCES:
patent: 3568256 (1971-03-01), Johnson, Jr.
patent: 3758252 (1973-09-01), Kohler
patent: 4034952 (1977-07-01), Stewart
patent: 4921708 (1990-05-01), Gellert
patent: 5217730 (1993-06-01), Teng
Excerpts from advertising materials of Mold Masters Limited believed to have been published in 1989.
Excerpts from advertising materials of enrietti System believed to have been published prior to the filing date of this application.
Excerpts form advertising materials of Spear System, Inc. believed to have been published prior to the filing date of this application.
Excerpts from advertising materials of DME believed to have been published prior to the filing date of this application.

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